| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [verb] [prep] [prep] | 104 |
|
| 2 | [verb] refer [prep] [prep] | 34 |
|
| 3 | have refer [prep] [prep] | 24 |
|
| 4 | [vb base] refer [prep] [prep] | 11 |
|
| 5 | have refer [prep] [prep] | 7 |
|
